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CVE DATABASE  /  CVE-2013-1347

CVE-2013-1347

Microsoft Internet Explorer Remote Code Execution Vulnerability

CVSS 8.8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog

Confirmed exploited in the wild. Added 2022-03-03. Federal remediation due 2022-03-24.
Required action: Apply updates per vendor instructions.

Summary

Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.

CVSS 3.1 breakdown

Base score8.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH

Weakness type (CWE)

Affected products

Microsoft internet explorerMicrosoft windows 7Microsoft windows server 2003Microsoft windows server 2008Microsoft windows vistaMicrosoft windows xp
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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.

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